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3 point hitch problems

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kevin

04-26-2000 20:20:19

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The three point hitch does not raise on my 1968 ford diesel 4000. I can pull the bar up or push it down a thousand times but it just stays near the ground, not moving. what is wrong? I think that it might be the valves are stuck. got any ideas on what it might be...

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ZANE

04-27-2000 19:52:51

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Re: 3 point hitch problems in reply to kevin, 04-26-2000 20:20:19

Remove all the linkage to the 3 point hitch so that the lift assembly is free of all attachments. Remove all the bolts from around the outside edge of the lift housing assembly. Do not remove any bolts that are not along the outside edge. If you encounter a bolt with fine threads it should be reinstalled.

Remove the 3 bolts that hold the triangular plate toward the front of the lift assembly that is a part of the ram cylinder assembly.
If the lift is not an NAA but a later model
Pull the plug that is over the unloading valve with the threaded hole provided. push the unloading valve out with a pumch etc.
Replace the O ring attached with the Ford Part #NCA 836 B or the current replac ement number O ring and nothing else.Not a parts house O ring.You will be sorry!
Polish up the unloading valve with 180 grit paper and hone out the bore with the same on a pencil or dowel wraped with sandpaper.
Examine everything for missing bolts or pins and linkage hanging loose etc.
Closely examine the cam follower pin for excessive wear. The cam follower pin is the main thing that caused the lift to not attain it�s maximum lift height. If it is worn replace it.

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